I mean, we know these things, but when they are borne out by an impeccably designed, exhaustively controlled, ten-year study, we really know we know them.

There’s so much in the NYT summary that it’s hard to pull out just one things. But there’s this: At the beginning of the study,

the teachers were asked to assign each child a score based on qualities that included “cooperates with peers without prompting”; “is helpful to others”; “is very good at understanding feelings”; and “resolves problems on own.”

The findings:

predicted the likelihood of many outcomes: whether the children would graduate from high school on time, get college degrees, have stable or full-time employment as young adults; whether they would live in public housing or receive public assistance; whether they would be held in juvenile detention or be arrested as adults. The kindergarten teachers’ scores also correlated with the number of arrests a young adult would have for severe offenses by age 25.

And it’s not just happy talk. Public programs are implementing social and emotional learning in districts from Anchorage to Nashville.

This, obviously, is our wheelhouse. We know intuitively that Montessori does this work — and we’ve known since 2012 that high-fidelity Montessori Primary programs deliver